Third Generation F-Body Message Boards

 
Page 1 of 10
1
2
3
4
5
Last »
Search: Posts Made By: pandin
Showing results 1 to 50 of 500
Search took 0.29 seconds.
Forum: DIY PROM
01-19-2012, 02:57 PM
Replies: 18
Views: 5,477
Posted By pandin

Re: Cold Start OL AFR?

I have had good luck at around 25 deg.
Oem tunes run rich and late at startup to heatup the cat.
Forum: DIY PROM
01-15-2012, 03:02 PM
Replies: 18
Views: 5,477
Posted By pandin

Re: Cold Start OL AFR?

The old time TPI tuners would have contests, on whose engine would settle to a dead smooth idle the fastest, at 0df after setting over night. Now that takes time.

The more you understand about...
Forum: DIY PROM
09-07-2011, 03:35 PM
Replies: 68
Views: 83,260
Posted By pandin

Re: How to fix some of those common idle issues (big cam, surging, stalls, etc.)

When you change the O2 thresholds it makes very little difference in the BLM, That has been my experience with Arap MAF Bin.

You could be getting a "false 108 idle blm" due to cam overlap. O2...
Forum: DIY PROM
08-23-2011, 04:51 PM
Replies: 37
Views: 4,139
Posted By pandin

Re: Tuning in 6e, PE vs RPM question

In my case I am still running the stock TPI, so that may be why the lower Maf numbers come from. I have a first intake to install, that may open things up a bit.
Forum: DIY PROM
08-23-2011, 11:59 AM
Replies: 37
Views: 4,139
Posted By pandin

Re: Tuning in 6e, PE vs RPM question

In ARAP look at LC 5B0, it is set at 1.25 calculated or 50 hex. I have a 383 with a smaller cam. I reset this at 1.17 calculated and 48 hex.

What this does is bring your load (LV8) up faster, I...
Forum: DIY PROM
05-21-2011, 11:08 PM
Replies: 11
Views: 4,498
Posted By pandin

Re: very lean idle

After some data logging it was found that the O2 sensor, new but non heated, was going cold at times in idle. This cold O2 read 4 mv at times, which is interpreted as lean. This helped to cause a...
Forum: DIY PROM
03-31-2011, 06:36 PM
Replies: 9
Views: 2,256
Posted By pandin

Re: 42# Bosch 3 injectors constant question in tune.

The .6 difference will be hard to see.
Forum: TPI
06-14-2010, 03:56 AM
Replies: 8
Views: 2,259
Posted By pandin

Re: 48 or 52mm throttle body and 24lb injectors..

Check the throttle shaft to throttle body bushings for wear and slop. excessive wear will be an vacuum leak past the bushing and will make the butterflies stick in the holes.

There are guys that...
Forum: TPI
11-06-2009, 01:10 PM
Replies: 10
Views: 4,653
Posted By pandin

Re: MAF Power Relay comparison

If the resister is in series with the coil it will limit peak current in the coil when energizing and deenergizing. Stopping current spikes "in the coil" both on and off.

If in parallel it will...
Forum: DIY PROM
09-02-2009, 11:24 PM
Replies: 9
Views: 1,288
Posted By pandin

Re: AFR in Highway mode.

If your BLM's are within the ajusting range 108 to 160 then your AFR will be at the 14.7. When the intergrate hits 128 you should be at the 14.7 AFR. The more and less then 128 is how much the ECM is...
Forum: DIY PROM
07-31-2009, 07:25 PM
Replies: 18
Views: 1,835
Posted By pandin

Re: What does this .adl file mean?

When you touch the brake peddle you disengage the TCC, more gas lowers the spark advance and gives smoother power.

Like I said change the lockup point in the bin.
Forum: DIY PROM
07-31-2009, 02:36 PM
Replies: 18
Views: 1,835
Posted By pandin

Re: What does this .adl file mean?

At 1200 rpm you are at the lower limit of what the engine can pull, at this low of a rpm the TCC lock should be unlocked.

A stock cam can pull this low, but any kind of over 200 duration cam will...
Forum: DIY PROM
07-25-2009, 12:19 PM
Replies: 20
Views: 1,364
Posted By pandin

Re: BLM's Not Recorded??

I changed the .txt to .bin and it opened okay with a 6E xdf.

Your cell boundry at 4C8 is set to 3200 rpm, so lower this rpm.

900 1200 2400 rpm
15 30 60 grams/sec

Try these and think this...
Forum: DIY PROM
07-15-2009, 10:30 PM
Replies: 47
Views: 2,330
Posted By pandin

Re: cylinder "code" vs number of cylinders

To try to tune without a data log is like shutting your eyes and trying to drive.

Why risk all the damage by guessing, it just doesn't make sense. You have the hardest part the prominator. Get an...
Forum: DIY PROM
07-14-2009, 08:43 AM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

This is a Dec change from 128 ($80) to 127 ($7F).
Forum: DIY PROM
07-14-2009, 08:36 AM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

It worked fine thanks tequilaboy. (https://www.thirdgen.org/forums/member.php?u=69152)

Add one wire to the harness, change two code numbers, and adjust the ADS file to read correctly. This is a...
Forum: DIY PROM
07-13-2009, 06:38 PM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

Thankyou for the replies. I will try your sugestions TB and also the other Arap WB bin.

I track my logs using the run seconds for the data range in excel, so I would have to use something else. ...
Forum: DIY PROM
07-13-2009, 11:10 AM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

With the 287D changed it reads the correct volts from the WB. It worked for a test run once, then I started getting this rich idle condition the WB reads lean and then dumps a bunch of fuel. It kind...
Forum: DIY PROM
07-12-2009, 06:13 PM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

Yes I am using Arap original not a WB one, the only change that affected the tune was the 287D. It was hex 60 or 96 dec changed to 48 dec or 30 hex. Just that one change messes with the fuel at idle,...
Forum: DIY PROM
07-12-2009, 07:05 AM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

With 287D changed the fuel is way rich.

Is this location for 6E or 32?
Forum: DIY PROM
07-11-2009, 03:57 PM
Replies: 18
Views: 1,835
Posted By pandin

Re: What does this .adl file mean?

But in all, if this has nothing to do with the MAF sensor..Then I am wondering what could be the problem to my car...The rough idle and unstable RPM at low ranges...That is to me still a mystery, but...
Forum: DIY PROM
07-09-2009, 04:48 AM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

1E0 is the right spot, Flag 4 is missing from the 6E hack. I added it to my copy. From the 32B 1E0 and the 32 is 1D3.

32B and 6E are both at 1E0.

I will unset b5 to 0 from 1.

Map1 and Map2...
Forum: DIY PROM
07-08-2009, 09:32 PM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

With free air the number rolled up to 25.5, this is with 5 volts (meter measured) input Map1 C11 and the .1 "normal" volts scalar in the ads file, at byte #35 FP volts.

The ads scalar I tried was...
Forum: DIY PROM
07-08-2009, 01:32 PM
Replies: 23
Views: 1,230
Posted By pandin

Re: ARAP Wideband Logging??? Anyone?

The .ads multiplies the FP volts by .1 to output the volts.

My WB is reading ~ 3 volts (In Map1 by volt meter) but the byte # 35 is showing ~ 17 volts. This is with the .1 multiplier in the ads...
Forum: DIY PROM
07-08-2009, 09:45 AM
Replies: 3
Views: 1,806
Posted By pandin

Re: display injector flow rate?

Is this an 6E chip and address 70C?
Forum: DIY PROM
07-06-2009, 06:50 PM
Replies: 3
Views: 779
Posted By pandin

Re: switched from ARAP to AUJL still running rich?

Raise your injector constant to 33# and see if that helps. If it is set to something lower it will run rich. What are your BLM's running at?
Forum: DIY PROM
07-01-2009, 03:59 AM
Replies: 2
Views: 684
Posted By pandin

Re: '165 swap problems

As a follow up the Maf burnoff relay was removed and reinserted trouble cleared, no humming.

I would suspect dirty contacts that were "cleaned" by removing and reinstalling the relay. The humming...
Forum: TPI
06-29-2009, 07:23 PM
Replies: 4
Views: 600
Posted By pandin

Re: '165 swap problems

Sometimes just by removing and replacing the relays, you clean the contacts to make a better connection, it only takes a small piece of dirt or lint.

Removing the battery clears the memory of the...
Forum: TPI
06-27-2009, 07:27 PM
Replies: 4
Views: 600
Posted By pandin

Re: '165 swap problems

Pull (remove) the relay and see if the engine runs better.

Then voltage check the burn off relay control wire and see if the power is applied at shut off for 1 sec. This relay has constant power...
Forum: TPI
06-26-2009, 07:48 PM
Replies: 10
Views: 9,727
Posted By pandin

Re: IAC/TPS Question Relating to a battery drain

I was looking for amp draw on my truck battery (key off), what I used was a tail light between the battery plus and the big red wire. If there is amp draw the light will be bright and when there is...
Forum: TPI
06-25-2009, 06:27 PM
Replies: 7
Views: 4,265
Posted By pandin

Re: Erratic idle and hesitation

If the IAC was retracted, the Idle would be high, it was. I am not sure why the idle came down to 500, It should have stayed at the high idle speed as long as the IAC was retracted.

All this...
Forum: TPI
06-25-2009, 03:56 PM
Replies: 34
Views: 3,669
Posted By pandin

Re: fastest TPI designs in the 1/4 mile?

Honestly the electronic injection technology has changed much from 1996, special T.P.I. equipment is needed to arrive at the 11's but I do not believe that is possible with the original system ....
Forum: TPI
06-25-2009, 12:38 AM
Replies: 7
Views: 4,265
Posted By pandin

Re: Erratic idle and hesitation

A dirty EGR valve, stuck open will act like a vacuum leak.

Stuck shut will not be noticeable, only set code after about 10 mins of driving.

Unplug the IAC after turning key on, engine off and...
Forum: DIY PROM
06-24-2009, 08:49 PM
Replies: 47
Views: 2,330
Posted By pandin

Re: cylinder "code" vs number of cylinders

It is the little things that really cause the biggest head aches.
Forum: Tech / General Engine
06-24-2009, 03:54 AM
Replies: 10
Views: 58,591
Posted By pandin

Re: VERY high idle after replacing bad IAC Valve. HELP!!!

This is too low, hard on oil pressure and alternator volts, 550 RPM is a better number when driving.

The 450 RPM is only used in stock setups, when setting minimum air flow at the throttle body.
Forum: DIY PROM
06-24-2009, 03:44 AM
Replies: 47
Views: 2,330
Posted By pandin

Re: cylinder "code" vs number of cylinders

Do you have another vehicle that those plugs would fit in, I would swap and try. This is a good way to clean up the plugs, run in a known good engine. You can do 4 at a time as to stay away from...
Forum: DIY PROM
06-23-2009, 08:35 PM
Replies: 47
Views: 2,330
Posted By pandin

Re: cylinder "code" vs number of cylinders

If you can identify the cross between the 165 and the 730, you can use the volts key on and engine run to check for bad readings.

Just go to the 730 pin out schematics and find the sensors, mark...
Forum: DIY PROM
06-22-2009, 09:32 AM
Replies: 47
Views: 2,330
Posted By pandin

Re: cylinder "code" vs number of cylinders

There are just a few differences between a Maf and Map as to the pins (3-4), people repin Maf to Map all the time. Most of the other pins are the same, so there is a lot of useful info in the key on...
Forum: DIY PROM
06-21-2009, 05:18 PM
Replies: 47
Views: 2,330
Posted By pandin

Re: cylinder "code" vs number of cylinders

Look at B3, B5 and D4, D5.

B3 = 0 volts key on and engine run. This is a ground connection (not just 0 volts).
B5 = 0 volts key on and 1.3 volts engine run (that is above 400 rpm, not just...
Forum: DIY PROM
06-21-2009, 05:11 AM
Replies: 47
Views: 2,330
Posted By pandin

Re: cylinder "code" vs number of cylinders

Refer to the attached diagrams.
Forum: DIY PROM
06-21-2009, 04:10 AM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

Your speed is calculated from the pulse coder located at the output of the tranny, unit installs in hole where speed-o cable was attached.

Info is sent to the ECM and the dash.
Forum: DIY PROM
06-19-2009, 07:44 PM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

I was looking at what rpm you are turning, when the mph starts to go up.

Rec 8686 is when the TPS starts to rise, rec 8694 is when the MPH starts up.

Rec 8693 MPH is 1 and RPM is 2693.

Rec...
Forum: DIY PROM
06-19-2009, 12:52 PM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

That is where I would and do run my load, It tops out at during the shift.

Are you running a 3500 rpm stall converter?

Your knock retard peaks at 3700 rpm and is 14 degrees, your SA is at 20....
Forum: DIY PROM
06-18-2009, 04:37 PM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

Lets get a data log with the lowered spark advance, after the retarding is fixed. then see where you are at.

Was the first uni file one that was peppy or a dog. The second one was the aujm one,...
Forum: DIY PROM
06-18-2009, 08:58 AM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

try this
Forum: DIY PROM
06-18-2009, 06:53 AM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

I use TunerPro RT everything you need is there to change the bin numbers. Just use the right XDF file that has what you want to change listed, or you can add the location to your own XDF file.

You...
Forum: DIY PROM
06-18-2009, 03:26 AM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

I plotted your last 2 uni files in an excel spread sheet, I agree.

I noticed that your load is maxing at wot, I would lower the scale factor at LC05B0 down from 1.25, don't go lower then 1. This...
Forum: DIY PROM
06-17-2009, 08:44 PM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

When you changed spark tables to Aujm, it lowered all the spark, that is why it was sluggish.

You need to pick a table (Arap or Aujm), lower the spark at the retarded spots and raise it where...
Forum: DIY PROM
06-17-2009, 10:30 AM
Replies: 89
Views: 5,084
Posted By pandin

Re: MAF voltage output question

Just copy the whole table and paste to the Arap table.
Showing results 1 to 50 of 500
 
Page 1 of 10
1
2
3
4
5
Last »


 
Forum Jump


All times are GMT -5. The time now is 04:24 AM.